CN210915160U - Automatic leveling electric hydraulic control system of two-column lifting machine - Google Patents
Automatic leveling electric hydraulic control system of two-column lifting machine Download PDFInfo
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- CN210915160U CN210915160U CN201922105787.9U CN201922105787U CN210915160U CN 210915160 U CN210915160 U CN 210915160U CN 201922105787 U CN201922105787 U CN 201922105787U CN 210915160 U CN210915160 U CN 210915160U
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Abstract
The utility model discloses an electric hydraulic control system of two post lifts quick-witted automatic leveling, including master cylinder slip table side post and vice cylinder slip table side post, be provided with master cylinder slip table laser receiver on master cylinder slip table, be provided with vice cylinder slip table laser emitter on vice cylinder slip table, be fixed with the automatically controlled hydraulic pressure station assembly of immersion oil formula in the outside of master cylinder slip table side post, still be provided with the hydraulic pressure station oil tank on hydraulic pressure station installation aluminium base board, mend oily solenoid valve, oil return exhaust solenoid valve, throttle flow and air-vent valve and automatically controlled block terminal, be provided with PLC controller and the rising button that is connected with the PLC controller in the automatically controlled block terminal, the decline button, the lock control button that falls, power change over switch and LED lamp and lower indicator LED lamp than high. The utility model discloses a set up rationally, its automatic leveling operation that can realize master cylinder slip table and vice cylinder slip table has improved the security of using, is favorable to reducing maintenance and maintenance cost, and the suitability is strong and the practicality is good.
Description
Technical Field
The utility model belongs to the technical field of the two post machines of lifting, concretely relates to two post machines of lifting automatic leveling electric hydraulic control system.
Background
It is known that a vehicle two-column lifting machine adopts a laser sensor to automatically adjust the height of sliding tables on two sides of the two-column lifting machine. The lifting and landing functions of the two-column lifter are ensured to be safe, reliable and convenient in a rated range. And some lifting machines are additionally arranged, detected and leveled. The oil-immersed power unit comprises a change-over switch, a button, a switching power supply, a PLC, a hydraulic station, an electromagnetic valve and other electric appliance hydraulic control systems. The main power supply of the oil-immersed power unit adopts alternating current-220V/1 PH or 380V/3PH, the power supply of the control system adopts a switching power supply to input alternating current-220V/1 PH and output direct current ━ 24V, the control panel comprises a rising button with an indicator light, a falling button and a locking button and an LED indicator light for warning higher and lower, and a sensor for transmitting and receiving laser is arranged on a sliding table of the main oil cylinder and the auxiliary oil cylinder. The hydraulic system adopts 46# wear-resistant hydraulic oil, and the maximum pressure of the system is 30 MPa. The rated loads of the lifter are 4000 KG, 4500 KG and 5000KG respectively.
The left lifting sliding table and the right lifting sliding table are leveled in the installation and use processes of the two-column lifting machine, and the lifting machine is guaranteed to be stable and synchronous in ascending and descending when lifting a vehicle.
In order to ensure that the left lifting sliding table and the right lifting sliding table are leveled when the two-column lifting machine is installed, and when the left sliding table and the right sliding table exceed a higher or lower standard setting range (larger than or equal to 3CM), the laser sensors automatically level the sliding tables on two sides through an electric control hydraulic system. The installation of the traditional electric appliance hydraulic control two-column lifting machine requires trained skilled workers, the two sides are leveled by adjusting the synchronous steel wire ropes of the left sliding table and the right sliding table, the equal height and the synchronization of the left sliding table and the right sliding table are kept through transmission mechanisms such as the steel wire ropes, pulleys and the like, the operation of installation, debugging and future maintenance and leveling is very complicated and is not easy to master.
Because the installation and leveling of the traditional electric appliance hydraulic control two-column lifting machine are very inconvenient, if the left and right lifting platforms of the lifting machine are not level after secondary moving installation or use for a period of time, the left and right lifting platforms of the lifting machine need to be operated or directed to be installed by specially trained personnel, and the after-sale service cost is increased.
Because the traditional electrical appliance has more separating elements, the assembly is not compact, the exposed heat dissipation of the motor of the hydraulic station is poor, and when two sides are uneven in the using process, no warning and automatic leveling device is arranged, so that the safety level is low.
The traditional electric appliances and hydraulic control of the two-column lifter cannot meet the use requirements of rapid and convenient field installation and debugging.
These known conventional electrical and hydraulic control systems of two-column lifts have a number of disadvantages, either without leveling electrical and hydraulic controls or incomplete safety warning control arrangements.
This means that in order to satisfy the requirement that the height of left and right lift slip table is equal in installation and use process of two post lift, need attach professional operation and maintenance technical worker, this will restrict the popularization of two post lift and use and sales volume.
Furthermore, the known conventional two-column lift electromechanical and hydraulic control systems do not have a fast, convenient and reliable alarm and automatic leveling manner, and a compact integrated design.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a safe in utilization and reliable and stable two post lift automatic leveling electric hydraulic control system.
The technical scheme for realizing the purpose of the utility model is that the electric hydraulic control system for automatically leveling the two-column lifter comprises a main oil cylinder sliding table side column and a secondary oil cylinder sliding table side column, wherein the main oil cylinder sliding table is arranged on the main oil cylinder sliding table side column, a secondary oil cylinder sliding table is arranged on the secondary oil cylinder sliding table side column, a main oil cylinder sliding table laser receiver is arranged on the main oil cylinder sliding table, a secondary oil cylinder sliding table laser transmitter is arranged on the secondary oil cylinder sliding table, an oil immersion type electric control hydraulic station assembly is fixed on the outer side of the main oil cylinder sliding table side column, the oil immersion type electric control hydraulic station assembly comprises an electric control lower box body connected with a hydraulic station mounting aluminum substrate, a main oil cylinder and a secondary oil cylinder, and a hydraulic station oil tank, an oil supplementing electromagnetic valve, an oil returning exhaust electromagnetic valve, a throttling flow and pressure regulating valve and an electric control box are also arranged on the hydraulic station mounting aluminum substrate, the flow return end of master cylinder is connected with hydraulic pressure station oil tank through choke valve and oil return exhaust solenoid valve, the oil supplementing end that passes through oil supplementing solenoid valve and master cylinder and vice hydro-cylinder behind the hydraulic pressure station oil tank through the pump body is connected, be provided with the PLC controller in the automatically controlled block terminal and with rising button, decline button, locking control button, power change over switch and the LED lamp of instructing on the low side that the PLC controller is connected, the PLC controller is connected with master cylinder slip table laser receiver, vice hydro-cylinder slip table laser emitter homogeneous phase.
The number of the main oil cylinder sliding table laser receivers is two, the main oil cylinder sliding table laser receivers are arranged in a straight line from top to bottom, and the auxiliary oil cylinder sliding table laser transmitter is positioned on a connecting line central extension line of the two main oil cylinder sliding table laser receivers.
The automatic leveling comprises the following steps:
step A, lifting the main oil cylinder sliding table and the auxiliary oil cylinder sliding table, and judging whether the main oil cylinder sliding table and the auxiliary oil cylinder sliding table are equal in height by the PLC through signals received by the laser sensor;
step B, when the auxiliary oil cylinder sliding table is higher than the main oil cylinder sliding table and is larger than 3CM, a laser transmitter of the auxiliary oil cylinder sliding table irradiates a laser receiver on the upper part of the main oil cylinder sliding table, a high-order indication LED lamp is on, and a PLC controller controls an oil return exhaust electromagnetic valve on the auxiliary oil cylinder to act, so that the auxiliary oil cylinder sliding table descends;
c, continuously judging whether the main oil cylinder sliding table and the auxiliary oil cylinder sliding table in the step B are equal in height or not, when the auxiliary oil cylinder sliding table is equal in height to the main oil cylinder sliding table, the PLC controller cuts off the power of an oil return electromagnetic valve to enable the auxiliary oil cylinder sliding table to stop descending to achieve automatic adjustment of the height and the like, when the auxiliary oil cylinder sliding table is lower than the main oil cylinder sliding table and is larger than 3CM, a laser transmitter of the auxiliary oil cylinder sliding table irradiates a laser receiver at the lower part of the main oil cylinder sliding table, a lower indication LED lamp is on, and the PLC controller controls an oil supplementing electromagnetic valve on the auxiliary oil cylinder to act to enable the auxiliary oil cylinder to supplement;
and D, when the main oil cylinder and the auxiliary oil cylinder are equal in height, the PLC stops supplying oil to the sliding table of the auxiliary oil cylinder through a signal received by the laser sensor, the sliding table of the auxiliary oil cylinder stops rising, and automatic adjustment of the height is achieved.
At least one contactor is fixed on the hydraulic station installation aluminum substrate and connected with the PLC.
And an upper limit switch is fixed on the side column of the main oil cylinder sliding table and is connected with the PLC. The utility model discloses has positive effect: the utility model discloses a set up rationally, its automatic leveling operation that can realize master cylinder slip table and vice cylinder slip table has guaranteed stability and the reliability of use, has also improved the security of use simultaneously greatly, is favorable to reducing maintenance and maintenance cost, and the suitability is strong and the practicality is good.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the following specific embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the hydraulic control in the present invention;
FIG. 3 is a PLC electric control diagram of the present invention;
fig. 4 is an explosion structure diagram of the oil-immersed electric control hydraulic station assembly of the present invention;
fig. 5 is a block diagram of the flow of the present invention.
Detailed Description
(example 1)
Fig. 1 to 5 show an embodiment of the present invention, wherein fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is a schematic diagram of the hydraulic control in the present invention; FIG. 3 is a PLC electric control diagram of the present invention; fig. 4 is an explosion structure diagram of the oil-immersed electric control hydraulic station assembly of the present invention; fig. 5 is a block diagram of the flow of the present invention.
See fig. 1 to 5, an electric hydraulic control system for automatic leveling of two-column lifter, including a main cylinder sliding table side column 1 and a sub-cylinder sliding table side column 2, wherein the main cylinder sliding table 3 is arranged on the main cylinder sliding table side column and a sub-cylinder sliding table 4 is arranged on the sub-cylinder sliding table side column, a main cylinder sliding table laser receiver 5 is arranged on the main cylinder sliding table, a sub-cylinder sliding table laser transmitter 6 is arranged on the sub-cylinder sliding table, an oil-immersed electric control hydraulic station assembly 7 is fixed on the outer side of the main cylinder sliding table side column, the oil-immersed electric control hydraulic station assembly 7 includes an electric control lower box body 8, a main cylinder 9 and a sub-cylinder 10 which are connected with a hydraulic station installation aluminum substrate 14, a hydraulic station oil tank 11, an oil supplementing electromagnetic valve P, an oil returning exhaust electromagnetic valve T, a throttling flow X, a pressure regulating valve and an electric control box 12 are further arranged on the hydraulic station installation aluminum substrate, the return end of master cylinder is connected with the hydraulic pressure station oil tank through choke valve and oil return exhaust solenoid valve, the hydraulic pressure station oil tank is connected with the oil supplementing end of master cylinder and vice hydro-cylinder through the oil supplementing solenoid valve behind the pump body, be provided with PLC controller 13 in the automatically controlled block terminal and with the rising button SA, the descending button XA that the PLC controller is connected, locking control button LSA, power change over switch 17 and the LED lamp 15 of indicating to the higher limit and lower indication LED lamp 16, the PLC controller is connected with master cylinder slip table laser receiver, vice hydro-cylinder slip table laser emitter homogeneous phase.
The number of the main oil cylinder sliding table laser receivers is two, the main oil cylinder sliding table laser receivers are arranged in a straight line up and down, the upper portion is S1, the lower portion is S2, and the auxiliary oil cylinder sliding table laser transmitter is located on a connecting line center extension line of the two main oil cylinder sliding table laser receivers which are S.
The automatic leveling comprises the following steps:
step A, lifting the main oil cylinder sliding table and the auxiliary oil cylinder sliding table, and judging whether the main oil cylinder sliding table and the auxiliary oil cylinder sliding table are equal in height by the PLC through signals received by the laser sensor;
step B, when the auxiliary oil cylinder sliding table is higher than the main oil cylinder sliding table and is larger than 3CM, the auxiliary oil cylinder sliding table laser transmitter S irradiates on a laser receiver S1 at the upper part of the main oil cylinder sliding table, a higher indication LED lamp is on, and a PLC controller controls an oil return exhaust electromagnetic valve on the auxiliary oil cylinder to act, so that the auxiliary oil cylinder sliding table descends;
c, continuously judging whether the main oil cylinder sliding table and the auxiliary oil cylinder sliding table in the step B are equal in height or not, when the auxiliary oil cylinder sliding table is equal in height to the main oil cylinder sliding table, the PLC controller cuts off the power of an oil return electromagnetic valve to enable the auxiliary oil cylinder sliding table to stop descending to achieve automatic adjustment of the height and the like, when the auxiliary oil cylinder sliding table is lower than the main oil cylinder sliding table and is larger than 3CM, a laser transmitter S of the auxiliary oil cylinder sliding table irradiates on a laser receiver S2 at the lower part of the main oil cylinder sliding table, a lower indication LED lamp is on, and the PLC controller controls an oil supplement electromagnetic valve on the auxiliary oil cylinder to act to enable the auxiliary oil cylinder to;
and D, when the main oil cylinder and the auxiliary oil cylinder are equal in height, the PLC stops supplying oil to the sliding table of the auxiliary oil cylinder through a signal received by the laser sensor, the sliding table of the auxiliary oil cylinder stops rising, and automatic adjustment of the height is achieved.
At least one contactor JQ is fixed on the hydraulic station installation aluminum substrate and connected with the PLC.
And an upper limit switch is fixed on the side column of the main oil cylinder sliding table and is connected with the PLC.
The utility model discloses a set up rationally, its automatic leveling operation that can realize master cylinder slip table and vice cylinder slip table has guaranteed stability and the reliability of use, has also improved the security of use simultaneously greatly, is favorable to reducing maintenance and maintenance cost, and the suitability is strong and the practicality is good.
As shown in FIG. 3, in use, the switch ZHK is turned to the ON position, the switching power supply is supplied with 220V input and 24V output, and the control loop is powered.
When the lifting button SA is pressed and held, the pump station motor contactor JQ is electrified, the lifter rises, and the release button stops rising.
When the lock-down button LSA is pressed and held, the pump station unloading electromagnetic valve DCF is electrified, and the lifter is descended and locked. (release of the button during this process the elevator stops descending).
When the descending button XA is pressed and held, the PLC controller X01 is electrified, the COM1 normally open contact is closed for 2 seconds and then is opened (JQ is electrified, the lifting machine ascends for 2 seconds), the COM1 normally closed contact is closed, the PLC controller X02 is electrified, the COM2 normally open contact is closed and held, at the moment, only the COM2 normally open contact is closed, the DC1 and the DC2 are electrified, the DCF is electrified through a diode, the lifting machine descends, the button is released, the lifting machine stops descending (the descending button is pressed again, and the process is repeated).
When the auxiliary cylinder side trolley arm sliding table is higher than the main cylinder side trolley arm sliding table by 1-2 CM in operation, the auxiliary cylinder side trolley laser emitter S irradiates the main cylinder side trolley laser receiver S1, the normally open closing of S1, the PLC controller X03 is electrified, the COM3 normally open contact is closed, the DCF2 is electrified, the auxiliary cylinder oil discharge enables the auxiliary cylinder side trolley to descend, when the auxiliary cylinder side trolley is as high as the main cylinder side trolley, the S1 is separated from the irradiation of the auxiliary cylinder side trolley laser emitter S, the S1 is disconnected, the PLC controller X03 is powered off, the DCF2 is powered off, and the auxiliary cylinder oil discharge is stopped to enable the auxiliary cylinder side trolley to stop descending. Similarly, when the auxiliary cylinder side sliding table passes through the main cylinder side sliding tables 1-2 CM in operation, S2 is irradiated by the auxiliary cylinder side sliding table laser emitter S to enable the auxiliary cylinder side sliding table to be normally opened and closed, the PLC controller X04 is electrified, the COM4 normally open contact is closed, the DCF1 and the JQ are electrified, auxiliary cylinder oil supplement enables the auxiliary cylinder side sliding table to ascend, when the auxiliary cylinder side sliding table is as high as the main cylinder side sliding table, the S2 is separated from the irradiation of the auxiliary cylinder side sliding table laser emitter S, the S2 is disconnected, the PLC controller X04 is powered off, the DCF1 and the JQ are powered off, and the auxiliary cylinder stops oil supplement to enable the auxiliary cylinder side sliding table to stop ascending. The main cylinder sliding table and the auxiliary cylinder sliding table on two sides of the lifting machine are automatically leveled in the running process through the control of the laser sensor. The COM4 normally closed contact in the drawing is used for ensuring that oil can be supplemented and increased on the side of the auxiliary cylinder by cutting off the power of the DCF when the oil is supplemented by S1 when the side sliding table of the auxiliary cylinder is lowered to pass through 1-2 CM of the side sliding table of the main cylinder when the lifting machine descends.
The standard parts used in the present embodiment may be purchased directly from the market, and the non-standard structural components described in the specification and drawings may be obtained by processing without any doubt according to the common general knowledge in the art, and the connection manner of the respective parts is by the conventional means developed in the art, and the machines, parts and equipment are of the conventional type in the art, so that the detailed description thereof is omitted.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.
Claims (4)
1. The utility model provides an electric hydraulic control system of two post lifts quick-witted automatic leveling, includes master cylinder slip table side stand and vice cylinder slip table side stand be provided with the master cylinder slip table on the master cylinder slip table side stand and be provided with vice cylinder slip table on vice cylinder slip table side stand, its characterized in that: the hydraulic station is characterized in that a main oil cylinder sliding table laser receiver is arranged on the main oil cylinder sliding table, a sub oil cylinder sliding table laser transmitter is arranged on the sub oil cylinder sliding table, an oil immersion type electric control hydraulic station assembly is fixed on the outer side of a side upright column of the main oil cylinder sliding table, the oil immersion type electric control hydraulic station assembly comprises an electric control lower box body connected with an aluminum base plate installed on a hydraulic station, a main oil cylinder and a sub oil cylinder, a hydraulic station oil tank, an oil supplementing electromagnetic valve, an oil return exhaust electromagnetic valve, a throttling flow and pressure regulating valve and an electric control distribution box are further arranged on the aluminum base plate installed on the hydraulic station, the return end of the main oil cylinder is connected with the hydraulic station oil tank through a throttle valve and the oil return exhaust electromagnetic valve, the hydraulic station oil tank is connected with the oil supplementing ends of the main oil cylinder and the sub oil cylinder through the oil supplementing electromagnetic valve, and a PLC, The PLC controller is connected with the main oil cylinder sliding table laser receiver and the auxiliary oil cylinder sliding table laser transmitter.
2. The two-column lift auto-leveling electro-hydraulic control system of claim 1, wherein: the number of the main oil cylinder sliding table laser receivers is two, the main oil cylinder sliding table laser receivers are arranged in a straight line from top to bottom, and the auxiliary oil cylinder sliding table laser transmitter is positioned on a connecting line central extension line of the two main oil cylinder sliding table laser receivers.
3. The two-column lift auto-leveling electro-hydraulic control system of claim 2, wherein: at least one contactor is fixed on the hydraulic station installation aluminum substrate and connected with the PLC.
4. The two-column lift auto-leveling electro-hydraulic control system of claim 3, wherein: and an upper limit switch is fixed on the side column of the main oil cylinder sliding table and is connected with the PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922105787.9U CN210915160U (en) | 2019-11-29 | 2019-11-29 | Automatic leveling electric hydraulic control system of two-column lifting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922105787.9U CN210915160U (en) | 2019-11-29 | 2019-11-29 | Automatic leveling electric hydraulic control system of two-column lifting machine |
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| Publication Number | Publication Date |
|---|---|
| CN210915160U true CN210915160U (en) | 2020-07-03 |
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|---|---|---|---|
| CN201922105787.9U Active CN210915160U (en) | 2019-11-29 | 2019-11-29 | Automatic leveling electric hydraulic control system of two-column lifting machine |
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| CN (1) | CN210915160U (en) |
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Denomination of utility model: Electric hydraulic control system for automatic leveling of two column hoist Effective date of registration: 20210908 Granted publication date: 20200703 Pledgee: Science and Technology Branch of Torch Development Zone of Zhongshan Rural Commercial Bank Co.,Ltd. Pledgor: ZHONGSHAN JIERONG AUTOMOBILE MAINTENANCE DETECTION EQUIPMENT Co.,Ltd. Registration number: Y2021980009049 |